Space sleeping bag to solve astronauts’ squashed eyeball disorder
Scientists hope the hi-tech sleeping bag will stop eyeballs being squashed by zero-gravity in space. …
On Earth, gravity pulls fluids down into the body each time a person gets out of bed – something known as “unloading”. But in space, the low gravity allows more than half a gallon of body fluids to gather in the head, applying pressure to the eyeball.